Answer:
No
Step-by-step explanation:
I believe at the point of (1,1) there is a distinct sort of point where it looks like an edge or corner which means that it is not continuous.
Continuous means that there is no abrupt changes (google) and im sure you know this already (im just saying no offence to anyone's intelligence)
Answer: The missing side is 5 units.
Pythagorean Theorem states that a^2+b^2=c^2. Let the hypotenuse be x.
Hope it helps <3